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HOMESERVICE MANUALSISUZU2006ASCENDER S, 4.2 S, 4WDREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 379 (WIRING SYSTEMS AND POWER MANAGEMENT - COMPONENT VIEWS & CONNECTOR END VIEWS)COMPONENT CONNECTOR END VIEWSHVAC CONTROL MODULE - AUXILIARY
2006 Isuzu Ascender S, 4.2 S, 4WD

HVAC Control Module - Auxiliary

2006 Isuzu Ascender S, 4.2 S, 4WDSECTION HVAC Control Module - Auxiliary
WARNING: This page is about a different car, the 2008 Chevrolet TrailBlazer. However, it is still accessible from the selected car via links, so may be relevant.
Fig 1: HVAC Control Module Connector End View - Auxiliary
GM744295Courtesy of GENERAL MOTORS CORP.
HVAC Control Module - Auxiliary

Pin Wire Circuit Function
A1 0.35 OG 4340 Battery Positive Voltage
A2 0.35 GY 2289 Rear HVAC/Audio Class 2 Serial Data
A3 - - Not Used
A4 0.35 BK 2250 Ground
A5 0.35 BN/WH 230 Instrument Panel Lamps Dimming Control
A6 0.35 WH 119 Auxiliary Mode Door Control
A7 0.35 D-GN 2347 Auxiliary Blower Motor High Speed Control
A8 0.35 D-BU 2348 Auxiliary Blower Motor Medium Speed Control
B1 0.5 BN 199 Left Rear Speaker Output (+) (w/o UQA)
0.5 BN 199 Left Rear Low Level Audio Signal (+) (w/UQA)
B2 0.5 D-BU 46 Right Rear Speaker Output (+) (w/o UQA)
0.5 D-BU 46 Right Rear Low Level Audio Signal (+) (w/UQA)
B3 0.5 BN 599 Left Rear Low Level Audio Signal (+)
B4 0.5 D-BU 546 Right Rear Low Level Audio Signal (+)
B5 0.5 YE 116 Left Rear Speaker Output (-) (w/o UQA)
0.5 YE 116 Rear Low Level Audio Signal (-) (w/UQA)
B6 0.5 L-BU 115 Right Rear Speaker Output (-) (w/o UQA)
0.5 L-BU 115 Right Rear Low Level Audio Signal (-) (w/UQA)
B7 0.35 BN 199 Left Rear Low Level Audio Signal (-)
B8 0.5 BK 1946 Right Rear Low Level Audio Signal (-)
Connector Part Information 
  • OEM: 12084944
  • Service: 12084944
  • Description: 16-Way F Micro-Pack 100 Series Unsealed (BK)
Terminal Part Information 
  • Pins: A1-A2, A4-A8, B1-B8
  • Terminal/Tray: 12146447/3
  • Core/Insulation Crimp: E/C
  • Release Tool/Test Probe: 12031876-1/J-35616-6 (BN)


Fig 1: HVAC Control Module Connector End View - Auxiliary
GM280793Courtesy of GENERAL MOTORS CORP.
HVAC Control Module - Auxiliary

Pin Wire Circuit Function
1 0.35 BN 341 Ignition 3 Voltage
2-3 - - Not Used
4 0.35 YE 2277 Auxiliary HVAC Enable Control
5 - - Not Used
6 0.35WH 119 Auxiliary Mode Door Control
7 0.35 BK 2250 Ground
8 0.35 BN/WH 230 Instrument Panel Lamps Dimming Control
Connector Part Information 
  • OEM: 12052444
  • Service: 12101874
  • Description: 8-Way F Micro-Pack 100 Series Unsealed (BK)
Terminal Part Information 
  • Pins: 1, 4, 6-8
  • Terminal/Tray: 12146447/3
  • Core/Insulation Crimp: E/C
  • Release Tool/Test Probe: 12031876-1/J-35616-6 (BN)
RENDER: 1.0x

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